CN220915088U - Motor convenient to dismouting is maintained - Google Patents
Motor convenient to dismouting is maintained Download PDFInfo
- Publication number
- CN220915088U CN220915088U CN202322585414.2U CN202322585414U CN220915088U CN 220915088 U CN220915088 U CN 220915088U CN 202322585414 U CN202322585414 U CN 202322585414U CN 220915088 U CN220915088 U CN 220915088U
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- motor
- shell
- rear end
- cover
- fan
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- 238000012423 maintenance Methods 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 18
- 238000009423 ventilation Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor convenient to assemble, disassemble and maintain, which comprises a motor main body, wherein the motor main body comprises a shell, a front end cover positioned at the front end of the shell and a rear end cover positioned at the rear end of the shell, and a shaft lever used for outputting driving force is rotatably arranged in the shell; the motor is characterized in that a heat radiation component for radiating heat of the motor is arranged on the rear end cover, the heat radiation component comprises a fan and a maintenance cover, and the maintenance cover is positioned outside the fan and is arranged at the rear end of the shell through a fixing screw. The fan cooling device is operated by adopting a relatively independent ventilation device, so that the heat balance generated in the motor operation process is met, too much noise is not generated due to synchronization when the motor works at a high rotating speed, the heat dissipation requirement is not met when the motor rotates at a low rotating speed, in addition, the maintenance cover is removed, independent maintenance can be performed when the fan breaks down, and the fan cooling device is simple in structure and convenient to maintain.
Description
Technical Field
The invention belongs to the field of motors, and particularly relates to a motor convenient to assemble, disassemble and maintain.
Background
An electric machine is a device that converts electrical energy into mechanical energy. It generates a rotational moment by the interaction of the magnetic field generated by the current in the conductor with the magnetic force in the magnetic field, driving the mechanical components in motion. Motors are widely used in various fields including industry, traffic, household appliances, etc. According to the different working principles and structures, the motors can be divided into two main types, namely a direct current motor and an alternating current motor, and each type is provided with a plurality of motors of different types. Common motor types include dc motors, ac asynchronous motors, ac synchronous motors, and the like. Motors play an important role in modern society, pushing the development of industrial automation and electric power systems.
Ventilation and heat dissipation are very critical measures for motor products, and ventilation and heat dissipation measures or modes of motors are determined to some extent by different motor types, different operation conditions and different power levels, such as: the common IP23 motor has the advantages that the motor seat and the end cover are provided with the radiating windows, in the running process of the motor, air outside the shell enters the inner cavity of the motor through the end cover, the radiating window of the motor seat is an outlet of hot air, the motor is not provided with the fan, the structure is simpler, the requirements on the running environment of the motor are relatively higher, and the motor with the radiating fan is also provided, namely, the fan coaxially installed with the motor is additionally arranged outside the motor shell, and the fan cover is adopted for protection; motors such as IP44 and IP54 are common, and when the motors are operated, fans which are coaxial with the motor rotor and rotate at the same speed blow the surfaces of the motors, and heat in the inner cavities of the motors is exchanged through the surfaces of the machine shells. Compared with a protective motor, the motor has relatively larger noise due to the external fan, particularly the motor with high rotating speed and more obvious ventilation noise, in addition, the fan and the motor are integrated with one end cover, the fan is easy to damage due to the high rotating speed, the motor is required to be detached integrally during maintenance, and the motor is inconvenient to use due to the fact that the fan is synchronous with low speed when the motor is at low rotating speed, so that heat in the motor is difficult to discharge.
Disclosure of Invention
The invention aims to provide a motor convenient to disassemble, assemble and maintain, the fan and the motor main body are arranged into two cavities, the fan is driven by additional power supply, a relatively independent ventilation device is adopted for operation, the heat balance generated in the operation process of the motor is met, the motor cannot generate too much noise due to synchronization when working at a high rotating speed and cannot hardly meet the heat dissipation requirement when working at a low rotating speed, in addition, the maintenance cover is removed, the fan can be independently maintained when the fan fails, the structure is simple, the maintenance is convenient, and the problems in the prior art are solved in the background art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The motor comprises a motor main body, wherein the motor main body comprises a shell, a front end cover positioned at the front end of the shell and a rear end cover positioned at the rear end of the shell, a shaft rod used for outputting driving force is rotatably arranged in the shell, and through holes for the front end and the rear end of the shaft rod to pass through are respectively formed in the central positions of the front end cover and the rear end cover;
A junction box is arranged on one side of the top of the shell through a fixing screw, a control element is arranged in the junction box, a box cover is arranged on the top of the junction box through the fixing screw, and a plug for connecting wires is arranged on the outer wall of one side of the junction box;
The motor cooling device comprises a motor, a rear end cover, a motor, a cooling assembly, a fan and a maintenance cover, wherein the cooling assembly is arranged on the rear end cover and used for cooling the motor, the fan is arranged on the rear end cover through a fixing screw, and the maintenance cover is positioned outside the fan and is arranged at the rear end of the housing through the fixing screw.
Preferably, the front end cover is mounted at the front end of the shell through a fixing screw and is matched with the inner cavity of the shell, and the rear end cover is mounted at the rear end of the shell through a fixing screw and is matched with the inner cavity of the shell.
Preferably, bearings with oil seals are arranged on one side of the front end cover and one side of the rear end cover, and the front end and the rear end of the shaft rod are respectively inserted into an inner ring of the bearing on one side of the front end cover and an inner ring of the bearing on one side of the rear end cover.
Preferably, an encoder is mounted on the rear end of the shaft rod, and the shaft rod and the fan are coaxially arranged and are not associated with each other.
Preferably, a power supply terminal corresponding to the plug, a thermal protector for preventing overload of the motor, a contactor for controlling start and stop and forward and reverse rotation of the motor and a transformer for converting current and voltage of the motor are arranged in the junction box.
Preferably, the heat absorbing end of the fan is tightly attached to a heat dissipating disc, and the heat dissipating disc is a copper disc.
Preferably, the inner wall of the shell is provided with a stator, the shaft lever is provided with a rotor, and the rotor is provided with a heat dissipation hole which penetrates through the rotor and is used for heat flow to pass through.
Preferably, a protecting cover for preventing foreign matters from entering is embedded on one side of the maintenance cover, and a plurality of groups of vent holes are radially formed in the protecting cover by taking the axle center as the center of a circle.
Preferably, the motor mounting device further comprises a mounting assembly for mounting the motor, the mounting assembly comprises two groups of feet, the two groups of feet are symmetrically mounted at the bottom of the shell through fixing screws, and mounting holes for fixing the motor are formed in two ends of the feet.
The invention has the technical effects and advantages that: compared with the prior art, the motor convenient to assemble, disassemble and maintain has the following advantages:
According to the invention, the front end and the rear end of the shell are respectively provided with the front end cover and the rear end cover through the fixing screws, the junction box is arranged at the top of the shell, the stator and the rotating shaft with the rotor are arranged in the shell, the copper cooling disc is arranged on the rear end cover, the maintenance cover is arranged at the rear end of the shell, the fan is arranged in the maintenance cover, the fan and the motor main body are arranged into two cavities, the fan is driven through additional power supply, the relatively independent ventilation device is adopted for running, the heat balance generated in the running process of the motor is met, the phenomenon that too much noise is generated due to synchronization when the motor works at a high rotating speed is avoided, the heat dissipation requirement is not met when the motor rotates at a low rotating speed is avoided, in addition, independent maintenance can be carried out when the fan breaks down through removing the maintenance cover, the structure is simple, and the maintenance is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the shield of the present invention;
FIG. 3 is a schematic view of a fan according to the present invention;
Fig. 4 is a schematic structural view of the shaft of the present invention.
Fig. 5 is a schematic structural view of the housing of the present invention.
Fig. 6 is an orthographic view of fig. 5.
Fig. 7 is a structural view of the rotor of the present invention.
In the figure: 1. a housing; 2. a front end cover; 3. a rear end cover; 4. a shaft lever; 5. a heat dissipation plate; 6. an encoder; 7. a fan; 8. a maintenance cover; 9. a protective cover; 10. a vent hole; 11. a footing; 12. a junction box; 13. a box cover; 14. a plug; 15. a rotor; 16. a shaft hole; 17. a heat sink; 18. a threaded hole; 19. a first ventilation chamber; 20. a second ventilation chamber; 21. a first bulge; 22. a second bump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a motor which is convenient to assemble, disassemble and maintain as shown in figures 1-7, and comprises a motor main body, wherein the motor main body comprises a shell 1, a front end cover 2 positioned at the front end of the shell 1 and a rear end cover 3 positioned at the rear end of the shell 1, a shaft lever 4 for outputting driving force is rotatably arranged in the shell 1, and through holes for the front end and the rear end of the shaft lever 4 to pass through are respectively formed in the central positions of the front end cover 2 and the rear end cover 3; a junction box 12 is arranged on one side of the top of the shell 1 through a set screw, a control element is arranged in the junction box 12, a box cover 13 is arranged on the top of the junction box 12 through the set screw, and a plug 14 for connecting wires is arranged on the outer wall of one side of the junction box 12; the rear end cover 3 is provided with a heat radiation component for radiating heat of the motor, the heat radiation component comprises a fan 7 and a maintenance cover 8, the fan 7 is arranged on the rear end cover 3 through a fixing screw, and the maintenance cover 8 is positioned outside the fan 7 and is arranged at the rear end of the shell 1 through the fixing screw.
The inside of the junction box 12 is installed with a power supply terminal corresponding to the plug 14, a thermal protector for preventing overload of the motor, a contactor for controlling start-stop and forward and reverse rotation of the motor, and a transformer for converting current and voltage of the motor.
According to the invention, the front end cover 3 and the rear end cover 3 are respectively arranged at the front end and the rear end of the shell 1 through the fixing screws, the junction box 12 is arranged at the top of the shell 1, the stator and the rotating shaft with the rotor 15 are arranged in the shell 1, the copper cooling disc 5 is arranged on the rear end cover 3, the maintenance cover 8 is arranged at the rear end of the shell 1, the fan 7 is arranged in the maintenance cover 8, the fan 7 and the motor main body are arranged into two cavities, the fan 7 is driven through additional power supply, the fan is operated by adopting a relatively independent ventilation device, the heat balance generated in the motor operation process is met, the excessive noise is not generated due to synchronization when the motor works at a high rotating speed, the heat dissipation requirement is not difficultly met when the motor rotates at a low rotating speed, in addition, the maintenance cover 8 is detached, the independent maintenance can be carried out when the fan 7 breaks down, and the structure is simple, and the maintenance is convenient.
The front end cover 2 is arranged at the front end of the shell 1 through a set screw and is matched with the inner cavity of the shell 1, and the rear end cover 3 is arranged at the rear end of the shell 1 through a set screw and is matched with the inner cavity of the shell 1. Bearings with oil seals are respectively arranged on one side of the front end cover 2 and one side of the rear end cover 3, and the front end and the rear end of the shaft lever 4 are respectively inserted into the inner ring of the bearing on one side of the front end cover 2 and the inner ring of the bearing on one side of the rear end cover 3.
Through all installing the bearing that is used for axostylus axostyle 4 pivoted on front end housing 2 and rear end housing 3, and install the oil blanket on the bearing, the oil blanket can effectively avoid the quick loss of lubricating oil in the bearing, ensures that the motor can work normally for a long time.
The rear end of the shaft lever 4 is provided with an encoder 6, and the shaft lever 4 and the fan 7 are coaxially arranged and are not mutually associated. The heat absorbing end of the fan 7 is closely attached to the heat dissipating plate 5, and the heat dissipating plate 5 is a copper plate.
Through separately designing motor shaft and fan 7 pivot for fan 7 can form an solitary cooling system, at the during operation of motor, the accessible is driven fan 7 and is dispelled the heat, thereby neither can be at the high rotational speed during operation of motor because synchronous production too big noise, can not be difficult to satisfy the heat dissipation demand when the motor is low rotational speed again, in addition, can carry out solitary maintenance when fan 7 breaks down through demolishing maintenance cover 8, and is simple in structure, the maintenance of being convenient for.
In addition, set up the copper with cooling plate 5 for cooling plate 5 has good heat conductivity, can derive the heat that the motor is inside to carry out the heat dissipation through fan 7 fast, has good heat dissipation cooling ability.
The inner wall of the shell 1 is provided with a stator, the shaft lever 4 is provided with a rotor 15, and the rotor 15 is provided with a radiating hole 23 and a permanent magnet placing groove 24 which penetrate through the rotor 15 and are used for heat flow to pass through.
Through setting up the axostylus axostyle 4 that has rotor 15 in shell 1, set up the louvre that link up rotor 15 on the rotor 15, when the motor is running, the heat of inside accumulation can extract outside air and take out the heat through the louvre under fan 7's effect, has further improved the heat dispersion of motor, the long-time work of the motor of being convenient for.
A protective cover 9 for preventing foreign matters from entering is embedded on one side of the maintenance cover 8, and a plurality of groups of vent holes 10 are radially formed on the protective cover 9 by taking the axle center as the center of a circle.
Through set up protective cover 9 on maintenance cover 8, set up multiunit ventilation hole 10 on the protective cover 9, can enough form the protection to the inside fan 7 of outside foreign matter entering maintenance cover 8's inside and prevent fan 7 work, can carry out the exchange of air through the through-hole again.
The motor mounting device comprises a housing 1, and is characterized by further comprising a mounting assembly for mounting the motor, wherein the mounting assembly comprises two groups of feet 11, the two groups of feet 11 are symmetrically mounted at the bottom of the housing 1 through fixing screws, and mounting holes for fixing the motor are formed in two ends of the feet 11.
Through the mounting footing 11 of passing through the fixed screw in shell 1 bottom, offer the mounting hole on the footing 11, can be convenient for install the use and dismantle the maintenance to the motor.
The shell 1 is formed by aluminum extrusion of aluminum profiles, so that the length of the shell 1 can be cut according to actual needs, and the shell is very suitable for motor requirements of different powers. The outer wall surface of the housing 1 is provided with a plurality of fins 17 along the length direction thereof, the plurality of fins 17 being arranged in the circumferential direction of the housing 1, each fin 17 extending in the axial direction of the shaft hole 16 and being provided through the housing 1. The housing 1 of this embodiment is provided with four connected outer wall surfaces, two sets of cooling fins 17 are provided on each outer wall surface of the housing 1, and two sets of cooling fins 17 located on one outer wall surface of the housing 1 are symmetrically arranged about the axis of the shaft hole 16. The heat dissipation effect of the housing 1 is good due to the heat dissipation fins 17.
Specifically, the housing 1 is provided with a plurality of screw holes 18 at both axial end surfaces of the shaft hole 16, and the front end cover 2 and the rear end cover 3 are screwed and fixed with the screw holes 18 of both end surfaces of the housing 1 by screws.
A plurality of axial first ventilation cavities 19 and second ventilation cavities 20 for introducing cooling air are arranged between the outer wall surface of the shell 1 and the shaft hole 16, a plurality of first bulge parts 21 and second bulge parts 22 are arranged in the first ventilation cavities 19 and the second ventilation cavities 20, and the first bulge parts 21 and the second bulge parts 22 are integrally connected with the shell 1. The first bulge part 21 and the second bulge part 22 are arranged in the first ventilation cavity 19 and the second ventilation cavity 20 for introducing cooling air, so that the heat dissipation surface area of the shell 1 is increased, the strength of the shell 1 is also increased, and the first ventilation cavity 19 and the second ventilation cavity 20 are closed and are close to the inner wall surface of the shaft hole 16, so that the effect of reducing the diffusion of the cooling air can be achieved; the whole shell 1 has the advantages of simple structure, easy processing, material and labor cost saving and great production efficiency improvement.
The motor adopts the air cooling technology to radiate the heat of the motor, improves the overload resistance and the working efficiency of the motor, saves the maintenance cost, and is more convenient for the installation and the disassembly of the shell 1 and other parts. The heat generated by the machine body during working is effectively discharged by combining with the independent driving and powerful rear fan for heat dissipation, so that the internal working environment always keeps normal temperature, the working efficiency of the motor is improved, and the service life of the motor is prolonged.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a motor convenient to dismouting is maintained which characterized in that: the motor comprises a motor main body, wherein the motor main body comprises a shell (1), a front end cover (2) positioned at the front end of the shell (1) and a rear end cover (3) positioned at the rear end of the shell (1), a shaft rod (4) for outputting driving force is rotatably arranged in the shell (1), and through holes for the front end and the rear end of the shaft rod (4) to pass through are respectively formed in the central positions of the front end cover (2) and the rear end cover (3);
a junction box (12) is arranged on one side of the top of the shell (1) through a fixing screw, a control element is arranged in the junction box (12), a box cover (13) is arranged on the top of the junction box (12) through the fixing screw, and a plug (14) for connecting wires is arranged on the outer wall of one side of the junction box (12);
Install the radiating component who is used for carrying out radiating to the motor on rear end cap (3), radiating component includes fan (7) and maintains cover (8), fan (7) are installed on rear end cap (3) through the fixed screw, maintain cover (8) and be located fan (7) outside and install the rear end at shell (1) through the fixed screw.
2. The motor convenient to disassemble and maintain according to claim 1, wherein: the front end cover (2) is arranged at the front end of the shell (1) through a set screw and is matched with the inner cavity of the shell (1), and the rear end cover (3) is arranged at the rear end of the shell (1) through a set screw and is matched with the inner cavity of the shell (1).
3. The motor convenient to disassemble and maintain according to claim 1, wherein: bearings with oil seals are arranged on one side of the front end cover (2) and one side of the rear end cover (3), and the front end and the rear end of the shaft rod (4) are respectively inserted into an inner ring of the bearing on one side of the front end cover (2) and an inner ring of the bearing on one side of the rear end cover (3).
4. The motor convenient to disassemble and maintain according to claim 1, wherein: the rear end of the shaft lever (4) is provided with an encoder (6), and the shaft lever (4) and the fan (7) are coaxially arranged and are not associated with each other.
5. The motor convenient to disassemble and maintain according to claim 1, wherein: the inside of the junction box (12) is provided with a power supply transmission terminal corresponding to the plug (14), a thermal protector for preventing overload of the motor, a contactor for controlling start and stop and forward and reverse rotation of the motor and a transformer for converting current and voltage of the motor.
6. The motor convenient to disassemble and maintain according to claim 1, wherein: the heat absorption end of the fan (7) is tightly attached to the heat dissipation disc (5), and the heat dissipation disc (5) is a copper disc.
7. The motor convenient to disassemble and maintain according to claim 1, wherein: the inner wall of the shell (1) is provided with a stator, the shaft lever (4) is provided with a rotor (15), and the rotor (15) is provided with radiating holes which penetrate through the rotor (15) and are used for heat flow to pass through.
8. The motor convenient to disassemble and maintain according to claim 1, wherein: one side of the maintenance cover (8) is embedded with a protective cover (9) for preventing foreign matters from entering, and a plurality of groups of vent holes (10) are radially formed in the protective cover (9) by taking the axle center as the circle center.
9. The motor convenient to disassemble and maintain according to claim 1, wherein: the motor mounting device is characterized by further comprising a mounting assembly for mounting the motor, the mounting assembly comprises two groups of feet (11), the two groups of feet (11) are symmetrically mounted at the bottom of the housing (1) through fixing screws, and mounting holes for fixing the motor are formed in two ends of the feet (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322585414.2U CN220915088U (en) | 2023-09-22 | 2023-09-22 | Motor convenient to dismouting is maintained |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322585414.2U CN220915088U (en) | 2023-09-22 | 2023-09-22 | Motor convenient to dismouting is maintained |
Publications (1)
Publication Number | Publication Date |
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CN220915088U true CN220915088U (en) | 2024-05-07 |
Family
ID=90911246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322585414.2U Active CN220915088U (en) | 2023-09-22 | 2023-09-22 | Motor convenient to dismouting is maintained |
Country Status (1)
Country | Link |
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CN (1) | CN220915088U (en) |
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2023
- 2023-09-22 CN CN202322585414.2U patent/CN220915088U/en active Active
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